<!DOCTYPE html> 
<html lang='en'> 
<head> 
    <meta charset='utf-8' /> 
	<title>My OpenLayers Map</title>	
    <script type='text/javascript' src='OpenLayers.js'></script>
    <script type='text/javascript'>

    var map;
    
    function init() {
        map = new OpenLayers.Map('map_element', {});
        var wms = new OpenLayers.Layer.WMS(
            'WMS Layer Title',
            'http://vmap0.tiles.osgeo.org/wms/vmap0',
            {layers: 'basic'},
            {}
        );

        map.addLayer(wms);
		if(!map.getCenter()){
			map.zoomToMaxExtent();
		}
    }

    </script>
</head>

<body onload='init();'>
    <div id='map_element' style='width: 1280px; height: 720px;'>
	</div>
</body>
</html>